Why would a PCIe x16 slot be limited to PCIe x1 card?

pciex1 slot   Dan pciex16 slot

I cut open the back of a x1 slot on my motherboard to allow me to fit a full size GPU

No, it is not possible to use a PCIe x16 card in a PCIe x1 slot The physical design and specifications of a PCIe x16 card are different from a What happens is that if you have disabled onboard LAN, the upper pcie x1 slot stops workingdetecting cards, and this change also seems to brick

best free casino slot games I cut open the back of a x1 slot on my motherboard to allow me to fit a full size GPU  you will need at least a pcie x16 or pcie x8 to prevent bottlenecks a pcie x1 slot will most definitely reduce PPD from the card on it